both and用在否定句里是不完全否定?

both and用在否定句里是不完全否定? both and 的否定形式是什么 and可以用在否定句中吗? Both Tom and Mike like playing football.改为否定句 Both Tom and Jack like surfing 变为否定句 Both Tom and Peter like piaying soccer 改成否定句. Both she and l can speak English改为否定句 Both Jim and Tom like swimming.(改为全部否定) He can speak both English and French.改为否定句 both david and l are football fans的否定句 Both you and Tom sing English songs 改为否定句 her father and mother are both doctors 否定句 Both you and he prefer coffee.否定句 both he and i are teachers 改为否定句 Both you and Tom sing English songs 改为否定句 Both Ben and Kitty live in Rose Garden(否定句) Both teachers and students like summer holiday,(改为否定句) The trees are both big and tall.的否定句